Quote from: bitwarrior on September 10, 2013, 02:25:17 AM

Quote from: dan7733 on September 10, 2013, 01:33:32 AM

Hi!

There seems to be a problem with this card and/or the guiminer-scrypt config.
It's a Powercolor HD 7970 (non-ghz, non-ref), and after a restart of the system, on the first try, will mine in guiminer-scrypt at around 630 kh/sec consistently for about 2 minutes. After this period of time, the AMD display driver will crash, and then recover. Stopping and starting the mining in guiminer-scrypt will only result in a top speed of anywhere between 30 and 200 kh/sec, with the only way to recover the 630 speed being to restart the computer again.

Any ideas for this odd behavior?

Thanks!

why dont you use the cgminer instead.

^

Try cgminer and see if it still crashes.